1 | /*! |
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2 | * Ext JS Library 3.0.0 |
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3 | * Copyright(c) 2006-2009 Ext JS, LLC |
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4 | * licensing@extjs.com |
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5 | * http://www.extjs.com/license |
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6 | */ |
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7 | // private |
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8 | // This is a support class used internally by the Grid components |
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9 | Ext.grid.HeaderDragZone = function(grid, hd, hd2){ |
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10 | this.grid = grid; |
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11 | this.view = grid.getView(); |
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12 | this.ddGroup = "gridHeader" + this.grid.getGridEl().id; |
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13 | Ext.grid.HeaderDragZone.superclass.constructor.call(this, hd); |
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14 | if(hd2){ |
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15 | this.setHandleElId(Ext.id(hd)); |
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16 | this.setOuterHandleElId(Ext.id(hd2)); |
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17 | } |
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18 | this.scroll = false; |
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19 | }; |
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20 | Ext.extend(Ext.grid.HeaderDragZone, Ext.dd.DragZone, { |
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21 | maxDragWidth: 120, |
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22 | getDragData : function(e){ |
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23 | var t = Ext.lib.Event.getTarget(e); |
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24 | var h = this.view.findHeaderCell(t); |
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25 | if(h){ |
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26 | return {ddel: h.firstChild, header:h}; |
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27 | } |
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28 | return false; |
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29 | }, |
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30 | |
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31 | onInitDrag : function(e){ |
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32 | this.view.headersDisabled = true; |
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33 | var clone = this.dragData.ddel.cloneNode(true); |
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34 | clone.id = Ext.id(); |
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35 | clone.style.width = Math.min(this.dragData.header.offsetWidth,this.maxDragWidth) + "px"; |
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36 | this.proxy.update(clone); |
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37 | return true; |
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38 | }, |
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39 | |
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40 | afterValidDrop : function(){ |
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41 | var v = this.view; |
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42 | setTimeout(function(){ |
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43 | v.headersDisabled = false; |
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44 | }, 50); |
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45 | }, |
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46 | |
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47 | afterInvalidDrop : function(){ |
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48 | var v = this.view; |
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49 | setTimeout(function(){ |
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50 | v.headersDisabled = false; |
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51 | }, 50); |
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52 | } |
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53 | }); |
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54 | |
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55 | // private |
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56 | // This is a support class used internally by the Grid components |
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57 | Ext.grid.HeaderDropZone = function(grid, hd, hd2){ |
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58 | this.grid = grid; |
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59 | this.view = grid.getView(); |
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60 | // split the proxies so they don't interfere with mouse events |
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61 | this.proxyTop = Ext.DomHelper.append(document.body, { |
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62 | cls:"col-move-top", html:" " |
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63 | }, true); |
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64 | this.proxyBottom = Ext.DomHelper.append(document.body, { |
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65 | cls:"col-move-bottom", html:" " |
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66 | }, true); |
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67 | this.proxyTop.hide = this.proxyBottom.hide = function(){ |
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68 | this.setLeftTop(-100,-100); |
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69 | this.setStyle("visibility", "hidden"); |
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70 | }; |
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71 | this.ddGroup = "gridHeader" + this.grid.getGridEl().id; |
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72 | // temporarily disabled |
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73 | //Ext.dd.ScrollManager.register(this.view.scroller.dom); |
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74 | Ext.grid.HeaderDropZone.superclass.constructor.call(this, grid.getGridEl().dom); |
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75 | }; |
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76 | Ext.extend(Ext.grid.HeaderDropZone, Ext.dd.DropZone, { |
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77 | proxyOffsets : [-4, -9], |
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78 | fly: Ext.Element.fly, |
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79 | |
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80 | getTargetFromEvent : function(e){ |
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81 | var t = Ext.lib.Event.getTarget(e); |
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82 | var cindex = this.view.findCellIndex(t); |
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83 | if(cindex !== false){ |
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84 | return this.view.getHeaderCell(cindex); |
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85 | } |
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86 | }, |
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87 | |
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88 | nextVisible : function(h){ |
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89 | var v = this.view, cm = this.grid.colModel; |
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90 | h = h.nextSibling; |
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91 | while(h){ |
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92 | if(!cm.isHidden(v.getCellIndex(h))){ |
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93 | return h; |
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94 | } |
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95 | h = h.nextSibling; |
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96 | } |
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97 | return null; |
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98 | }, |
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99 | |
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100 | prevVisible : function(h){ |
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101 | var v = this.view, cm = this.grid.colModel; |
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102 | h = h.prevSibling; |
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103 | while(h){ |
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104 | if(!cm.isHidden(v.getCellIndex(h))){ |
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105 | return h; |
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106 | } |
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107 | h = h.prevSibling; |
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108 | } |
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109 | return null; |
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110 | }, |
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111 | |
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112 | positionIndicator : function(h, n, e){ |
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113 | var x = Ext.lib.Event.getPageX(e); |
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114 | var r = Ext.lib.Dom.getRegion(n.firstChild); |
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115 | var px, pt, py = r.top + this.proxyOffsets[1]; |
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116 | if((r.right - x) <= (r.right-r.left)/2){ |
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117 | px = r.right+this.view.borderWidth; |
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118 | pt = "after"; |
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119 | }else{ |
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120 | px = r.left; |
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121 | pt = "before"; |
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122 | } |
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123 | |
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124 | if(this.grid.colModel.isFixed(this.view.getCellIndex(n))){ |
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125 | return false; |
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126 | } |
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127 | |
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128 | px += this.proxyOffsets[0]; |
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129 | this.proxyTop.setLeftTop(px, py); |
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130 | this.proxyTop.show(); |
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131 | if(!this.bottomOffset){ |
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132 | this.bottomOffset = this.view.mainHd.getHeight(); |
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133 | } |
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134 | this.proxyBottom.setLeftTop(px, py+this.proxyTop.dom.offsetHeight+this.bottomOffset); |
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135 | this.proxyBottom.show(); |
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136 | return pt; |
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137 | }, |
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138 | |
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139 | onNodeEnter : function(n, dd, e, data){ |
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140 | if(data.header != n){ |
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141 | this.positionIndicator(data.header, n, e); |
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142 | } |
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143 | }, |
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144 | |
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145 | onNodeOver : function(n, dd, e, data){ |
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146 | var result = false; |
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147 | if(data.header != n){ |
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148 | result = this.positionIndicator(data.header, n, e); |
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149 | } |
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150 | if(!result){ |
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151 | this.proxyTop.hide(); |
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152 | this.proxyBottom.hide(); |
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153 | } |
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154 | return result ? this.dropAllowed : this.dropNotAllowed; |
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155 | }, |
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156 | |
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157 | onNodeOut : function(n, dd, e, data){ |
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158 | this.proxyTop.hide(); |
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159 | this.proxyBottom.hide(); |
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160 | }, |
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161 | |
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162 | onNodeDrop : function(n, dd, e, data){ |
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163 | var h = data.header; |
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164 | if(h != n){ |
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165 | var cm = this.grid.colModel; |
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166 | var x = Ext.lib.Event.getPageX(e); |
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167 | var r = Ext.lib.Dom.getRegion(n.firstChild); |
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168 | var pt = (r.right - x) <= ((r.right-r.left)/2) ? "after" : "before"; |
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169 | var oldIndex = this.view.getCellIndex(h); |
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170 | var newIndex = this.view.getCellIndex(n); |
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171 | if(pt == "after"){ |
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172 | newIndex++; |
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173 | } |
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174 | if(oldIndex < newIndex){ |
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175 | newIndex--; |
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176 | } |
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177 | cm.moveColumn(oldIndex, newIndex); |
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178 | this.grid.fireEvent("columnmove", oldIndex, newIndex); |
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179 | return true; |
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180 | } |
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181 | return false; |
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182 | } |
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183 | }); |
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184 | |
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185 | |
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186 | Ext.grid.GridView.ColumnDragZone = function(grid, hd){ |
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187 | Ext.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null); |
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188 | this.proxy.el.addClass('x-grid3-col-dd'); |
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189 | }; |
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190 | |
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191 | Ext.extend(Ext.grid.GridView.ColumnDragZone, Ext.grid.HeaderDragZone, { |
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192 | handleMouseDown : function(e){ |
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193 | |
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194 | }, |
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195 | |
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196 | callHandleMouseDown : function(e){ |
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197 | Ext.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e); |
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198 | } |
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199 | }); |
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